<template>
   <transition>
       <slot></slot> 
   </transition>
</template>

<script>
    export default {
        name:'Fade'
    }
</script>

<style lang="stylus" scoped>
 .v-enter, .v-leave-to
   opacity :0
 .v-enter-active,.v-leave-active
    transition: opacity .5s
</style>